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java.lang.Object seda.sandStorm.core.SimpleSink seda.sandStorm.lib.aDisk.AFileImpl
abstract class AFileImpl
Package-access only abstract class representing an implementation of the AFile interface. By creating a subclass of AFileImpl and tying it into the implementation-selection code in AFile, you can introduce new implementations of AFile behind this interface.
AFile
Constructor Summary | |
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AFileImpl()
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Method Summary | |
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abstract void |
close()
Close the file after all enqueued requests have completed. |
abstract boolean |
enqueue_lossy(QueueElementIF req)
Enqueues the given request (which must be an AFileRequest) to the file. |
abstract void |
enqueue_many(QueueElementIF[] elements)
Enqueues the given requests (which must be AFileRequests) to the file. |
abstract void |
enqueue(QueueElementIF req)
Enqueues the given request (which must be an AFileRequest) to the file. |
abstract void |
flush()
Causes a SinkFlushedEvent to be posted on the file's completion queue when all pending requests have completed. |
(package private) abstract AFileStat |
stat()
Return information on the properties of the file. |
Methods inherited from class seda.sandStorm.core.SimpleSink |
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enqueue_abort, enqueue_commit, enqueue_prepare, getEnqueuePredicate, profileSize, setEnqueuePredicate, size |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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AFileImpl()
Method Detail |
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public abstract void enqueue(QueueElementIF req) throws SinkException
enqueue
in interface SinkIF
enqueue
in class SimpleSink
req
- The QueueElementIF
to enqueue
SinkFullException
- Indicates that the sink is temporarily full.
SinkClosedException
- Indicates that the sink is
no longer being serviced.
SinkException
public abstract boolean enqueue_lossy(QueueElementIF req)
enqueue_lossy
in interface SinkIF
enqueue_lossy
in class SimpleSink
req
- The QueueElementIF
to enqueue
public abstract void enqueue_many(QueueElementIF[] elements) throws SinkException
enqueue_many
in interface SinkIF
enqueue_many
in class SimpleSink
elements
- The element array to enqueue
SinkFullException
- Indicates that the sink is temporarily full.
SinkClosedException
- Indicates that the sink is
no longer being serviced.
SinkException
abstract AFileStat stat()
public abstract void close()
public abstract void flush()
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